Index: trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java	(revision 13404)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/Highways.java	(revision 13405)
@@ -237,5 +237,5 @@
                 if ((leftByPedestrians || leftByCyclists) && leftByCars) {
                     errors.add(TestError.builder(this, Severity.OTHER, MISSING_PEDESTRIAN_CROSSING)
-                            .message(tr("Missing pedestrian crossing information"))
+                            .message(tr("Missing pedestrian crossing information. Add the tag crossing=*."))
                             .primitives(n)
                             .build());